I don't have a real answer on what parts interchange, but any reason not to update to a newer 3, 4, or 5 speed while you're at it?

If you keep the old transmission looks like you'll be looking for or making a front bearing retainer with a snout for the throwout bearing.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-